function currentYear() {
    var date=new Date;
    return date.getFullYear();
}

function yearAfter(num) {
    var date=new Date;
    var year=date.getFullYear();
    return year - num;
}

function getUrlPara(name) {
    var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)","i");
    var r = window.location.search.substr(1).match(reg);
    if (r!=null) return (r[2]); return null;
}

var server={
    host:"192.168.10.110",
    port:8080
};

function getHttpServer() {
    return "http://"+server.host+":"+server.port
}

function BrowserType() {
    var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
    var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器
    var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器
    var isEdge = userAgent.indexOf("Windows NT 6.1; Trident/7.0;") > -1 && !isIE; //判断是否IE的Edge浏览器
    var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器
    var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") == -1; //判断是否Safari浏览器
    var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("Safari") > -1; //判断Chrome浏览器

    if (isIE) {
        var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
        reIE.test(userAgent);
        var fIEVersion = parseFloat(RegExp["$1"]);
        if (fIEVersion == 7)
        { return "IE7"; }
        else if (fIEVersion == 8)
        { return "IE8"; }
        else if (fIEVersion == 9)
        { return "IE9"; }
        else if (fIEVersion == 10)
        { return "IE10"; }
        else if (fIEVersion == 11)
        { return "IE11"; }
        else
        { return "0" }//IE版本过低
    }//isIE end

    if (isFF) { return "FF"; }
    if (isOpera) { return "Opera"; }
    if (isSafari) { return "Safari"; }
    if (isChrome) { return "Chrome"; }
    if (isEdge) { return "Edge"; }
}
if (BrowserType() == 'IE9' || BrowserType() == 'IE8' || BrowserType() == 'IE7') {
    location.href="ieError.html";
}